For real $x$, let $f(x)=x^{3}+5 x+1$, then :-
f is one-one and onto R
is neither one-one nor onto R
f is one-one but not onto R
f is onto R but not one-one
Correct Option: 1
Leave a comment
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.
Download Now
All Study Material